bevy_rtc 0.3.1

A client-server library designed over WebRTC for Bevy
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89

use bevy::{
    ecs::schedule::States,
    prelude::Resource,
    utils::{hashbrown::HashMap, HashSet},
};
use bevy_matchbox::prelude::PeerId;
use instant::Duration;
use std::net::SocketAddr;

/// State of the server
#[derive(Debug, Default, Clone, Eq, PartialEq, Hash, States)]
pub enum RtcServerStatus {
    /// Not ready
    #[default]
    NotReady,
    /// Ready
    Ready,
}

#[derive(Resource)]
pub struct RtcServerState {
    /// The socket address bound
    pub(crate) addr: SocketAddr,

    /// The Peer ID of the host (server)
    pub(crate) peer_id: Option<PeerId>,

    /// A list of connected peers
    pub(crate) peers: HashSet<PeerId>,

    /// A map of user latencies
    pub(crate) latencies: HashMap<PeerId, Option<Duration>>,

    /// A map of smoothed user latencies
    pub(crate) smoothed_latencies: HashMap<PeerId, Option<Duration>>,
}

impl RtcServerState {
    pub(crate) fn new(addr: SocketAddr) -> Self {
        Self {
            addr,
            peer_id: None,
            peers: HashSet::new(),
            latencies: HashMap::new(),
            smoothed_latencies: HashMap::new(),
        }
    }

    /// Returns the address bound by the server/host.
    pub fn addr(&self) -> SocketAddr {
        self.addr
    }

    /// Returns the peer ID of the server/host. Will be None prior until the host is ready.
    pub fn peer_id(&self) -> Option<PeerId> {
        self.peer_id
    }

    /// Return the currently connected peers
    pub fn peers(&self) -> impl Iterator<Item = PeerId> + '_ {
        self.peers.iter().copied()
    }

    /// Return the instantaneous latencies for all peers
    pub fn iter_latencies(&self) -> impl Iterator<Item = (PeerId, Duration)> + '_ {
        self.latencies
            .iter()
            .filter_map(|(p, l)| l.map(|l| (p, l)))
            .map(|(p, l)| (*p, l))
    }

    /// Return the smoothed latencies for all peers
    pub fn iter_smoothed_latencies(&self) -> impl Iterator<Item = (PeerId, Duration)> + '_ {
        self.smoothed_latencies
            .iter()
            .filter_map(|(p, l)| l.map(|l| (p, l)))
            .map(|(p, l)| (*p, l))
    }

    /// Return the latency for a peer if they exist
    pub fn get_latency_for(&self, peer_id: PeerId) -> Option<Duration> {
        *self.latencies.get(&peer_id)?
    }

    /// Return the smoothed latency for a peer if they exist
    pub fn get_smoothed_latency_for(&self, peer_id: PeerId) -> Option<Duration> {
        *self.smoothed_latencies.get(&peer_id)?
    }
}